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Mallard (Wild Duck)
Contour body feather / secondary covert

Mallard (Wild Duck)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Anseriformes, Family: Anatidae, Genus: Anas, Species: A. platyrhynchos

Family: Anatidae (Ducks, Geese, and Swans)

Shape
Symmetrical vane with a gently rounded tip and smooth, elliptical outline
Size
Approximately 4 to 5 inches long, typical of a medium-sized duck's body contour or upper wing covert feather
Rarity
Very Common
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Description

The Mallard is the quintessential dabbling duck, known for the adult male's striking glossy green head, yellow bill, and brown chest. Females are mottled brown for camouflage. They are highly adaptable, vocal, and form the ancestry of most domestic duck breeds.

Colour & Pattern

Rich grayish-brown base with striking structural iridescence displaying metallic green and bronze hues along the outer vane margin, featuring a pale cream-colored rachis

Barb Structure

Pennaceous at the distal end with tightly interlocked barbicels, transitioning to a semiplume or plumulaceous (fluffy) structure near the base with a small afterfeather

Texture & Surface

Smooth, glossy, and water-repellent surface due to preen oil application, with a firm, stiff vane and soft, downy base

Key Features

Distinctive structural green-to-bronze iridescence along one edge, rounded contour shape, robust pale rachis, and water-repellent texture

Habitat

Wetlands, marshes, rivers, lakes, ponds, agricultural fields, and urban parks with open water

Geographic Range

Widespread across temperate and subtropical Americas, Eurasia, and North Africa; highly adaptable and largely resident or migratory depending on latitude

Ecological Role

Acts as an important seed disperser, aquatic invertebrate predator, and prey species for large raptors and mammals

Similar Species

Other dabbling ducks such as American Black Duck or Northern Pintail, distinguished by the specific iridescent speculum or mantle feather markings

Interesting Facts

Mallards are the ancestors of nearly all domestic duck breeds (except the Muscovy). They possess a specialized gland (uropygial gland) that produces oil to waterproof their feathers.

Condition Notes

Good condition, clean, intact barbs with no visible fault bars or parasitic damage, displaying fresh structural coloration